How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/17100.0*Serie B**100.0*Average seed
Sport 2 Botafogo 0 +0.1
Bahia 1 Ponte Preta 0 +0.0
Coritiba 1 Vasco 2 -1.0
Portuguesa 2 Gremio 2 +0.0
Sao Paulo 2 Nautico 1 +0.2
Santos 2 Figueirense 0 -0.2
Fluminense 0 Cruzeiro 2 -0.2
Flamengo 1 Palmeiras 1 +0.0
Week of 11/24100.0*Serie B**100.0*Average seed
Cruzeiro 2 Coritiba 1 +0.2
-1.0
Inter 0 Portuguesa 2 +0.2
Sport 1 Fluminense 1 No
Bahia 1 Nautico 1 +0.1
Ponte Preta 0 Sao Paulo 0 +0.0
Vasco 1 Flamengo 1 -0.0
If winner is:HomeDrawAway
Week of 12/1100.0*Serie B**100.0*Average seed
Coritiba vs Figueirense+1.2-0.5-0.8
Portuguesa vs Ponte Preta-0.3+0.4+0.0
Atletico-GO vs Bahia+0.2+0.2-0.4
Nautico vs Sport-0.3+0.0+0.3

What If

Chances based on how well the Coritiba finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seedSerie
TPW-D-Lwins titleLibertadores*1234567891011121314151617181920B**Count
481-0-0NoNo414613No5,581,693
460-1-0NoNo1342369No4,259,181
450-0-1NoNo414613No5,585,846
Total:NoNo152031277No15,426,720
Points
Chance Will Win Championship